/* orcai.cc shared stylesheet for sub-pages (2026-09) */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#030014;--text-primary:#f4f0ff;--text-secondary:rgba(239,237,253,.72);--text-muted:rgba(239,237,253,.62);--border:rgba(255,255,255,.08);--border-hover:rgba(255,255,255,.14);--accent:#7c3aed;--accent2:#a78bfa;--accent3:#6d48ff;--glass-bg:rgba(255,255,255,.025);--glass-border:rgba(255,255,255,.07);--ok:#34d399;--warn:#fbbf24;--bad:#f87171;--ease:cubic-bezier(.6,.6,0,1)}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text-primary);font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{max-width:1216px;margin:0 auto;padding:0 32px}
/* nav (same as home) */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0 32px}
.nav-blur{position:absolute;inset:0;background:rgba(3,0,20,.55);backdrop-filter:blur(16px) saturate(1.8);-webkit-backdrop-filter:blur(16px) saturate(1.8);border-bottom:1px solid var(--border)}
.nav.scrolled .nav-blur{background:rgba(3,0,20,.85)}
.nav-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;max-width:1216px;margin:0 auto;height:72px;gap:12px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:#fff}
.nav-logo:hover{text-decoration:none}
.nav-logo-mark{width:36px;height:36px;display:flex;align-items:center;justify-content:center;filter:drop-shadow(0 0 8px rgba(124,58,237,.4))}
.nav-center{display:flex;align-items:center;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:999px;padding:4px}
.nav-center a{padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;color:rgba(255,255,255,.72)}
.nav-center a:hover,.nav-center a[aria-current]{color:#fff;background:rgba(255,255,255,.07);text-decoration:none}
.nav-right{display:flex;align-items:center;gap:8px}
.lang-toggle{display:flex;background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:999px;padding:2px;font-size:12px;font-weight:600}
.lang-toggle a{padding:5px 12px;border-radius:999px;color:rgba(255,255,255,.5)}
.lang-toggle a.active{background:rgba(124,58,237,.25);color:var(--accent2)}
.lang-toggle a:hover{text-decoration:none;color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;border-radius:999px;font-size:14px;font-weight:500;white-space:nowrap;transition:all .3s var(--ease)}
.btn:hover{text-decoration:none}
.btn-ghost{color:rgba(255,255,255,.7)}.btn-ghost:hover{color:#fff}
.btn-primary{color:#fff;background:linear-gradient(180deg,#7c3aed 0%,rgba(109,72,255,.9) 100%);box-shadow:0 0 0 1px rgba(124,58,237,.5),0 2px 12px rgba(124,58,237,.35)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(124,58,237,.6),0 4px 24px rgba(124,58,237,.5)}
.btn-outline{color:rgba(255,255,255,.75);border:1px solid var(--border-hover);background:rgba(255,255,255,.02)}
.btn-outline:hover{color:#fff;border-color:rgba(255,255,255,.25)}
.btn-lg{padding:14px 32px;font-size:15px}
.nav-toggle{display:none;color:#fff;padding:8px}
@media(max-width:960px){.nav-center{display:none;position:absolute;top:72px;left:16px;right:16px;flex-direction:column;align-items:stretch;border-radius:16px;background:rgba(6,3,23,.97);padding:8px}.nav-center.show{display:flex}.nav-center a{padding:12px 16px}.nav-toggle{display:flex}.nav-right .btn-ghost{display:none}}
/* page layout */
.page{padding:110px 0 80px}
.page-hero{padding:0 0 32px;border-bottom:1px solid var(--border);margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;background:rgba(124,58,237,.1);border:1px solid rgba(124,58,237,.18);font-size:12px;font-weight:600;color:var(--accent2);letter-spacing:1px;text-transform:uppercase;margin-bottom:18px}
h1{font-size:clamp(30px,4.6vw,46px);font-weight:700;line-height:1.15;letter-spacing:-.02em;margin-bottom:14px}
.lede{font-size:17px;color:var(--text-secondary);max-width:820px}
.prose{max-width:860px}
.prose h2{font-size:26px;font-weight:700;letter-spacing:-.01em;margin:44px 0 14px;padding-top:8px}
.prose h3{font-size:19px;font-weight:600;margin:28px 0 10px}
.prose p{margin:10px 0;color:var(--text-secondary)}
.prose ul,.prose ol{margin:10px 0 10px 24px;color:var(--text-secondary)}
.prose li{margin:5px 0}
.prose strong{color:var(--text-primary)}
.prose code{font-family:"SFMono-Regular",Menlo,Consolas,monospace;font-size:.92em;background:rgba(255,255,255,.07);border:1px solid var(--border);border-radius:5px;padding:1px 6px;color:#c4b5fd}
.prose pre{background:#0a0a14;border:1px solid var(--border);border-radius:12px;padding:16px 18px;overflow-x:auto;margin:14px 0;font-size:13.5px;line-height:1.65}
.prose pre code{background:none;border:none;padding:0;color:#e6edf3}
.prose blockquote{border-left:3px solid var(--accent);background:rgba(124,58,237,.08);padding:12px 18px;border-radius:0 10px 10px 0;margin:16px 0;color:var(--text-primary)}
.quotable{font-weight:500}
.note{background:rgba(52,211,153,.08);border-left:3px solid var(--ok);padding:12px 16px;border-radius:0 10px 10px 0;margin:14px 0;font-size:14px;color:var(--text-secondary)}
.warn{background:rgba(251,191,36,.08);border-left:3px solid var(--warn);padding:12px 16px;border-radius:0 10px 10px 0;margin:14px 0;font-size:14px;color:var(--text-secondary)}
.updated{font-size:13px;color:var(--text-muted);margin:40px 0 0;padding-top:18px;border-top:1px solid var(--border)}
/* tables */
.tbl-wrap{overflow-x:auto;margin:14px 0;border:1px solid var(--border);border-radius:12px}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
table.tbl caption{text-align:left;padding:10px 14px;font-size:13px;color:var(--text-muted);caption-side:top}
table.tbl th{text-align:left;padding:10px 14px;background:rgba(255,255,255,.04);color:var(--text-muted);font-weight:600;font-size:12px;letter-spacing:.5px;text-transform:uppercase;border-bottom:1px solid var(--border)}
table.tbl td{padding:10px 14px;border-bottom:1px solid var(--border);color:var(--text-secondary);vertical-align:top}
table.tbl tr:last-child td{border-bottom:none}
table.tbl td code{white-space:nowrap}
.st{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.st.ok{background:rgba(52,211,153,.14);color:#86efac}.st.down{background:rgba(248,113,113,.14);color:#fca5a5}.st.na{background:rgba(255,255,255,.07);color:var(--text-muted)}
/* cards */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:22px 22px}
.card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.card p{font-size:14px;color:var(--text-secondary)}
.card .num{font-size:34px;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,#a78bfa,#c4b5fd,#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.card a.more{display:inline-block;margin-top:10px;font-size:14px}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.container{padding:0 16px}.page{padding:96px 0 60px}}
/* faq */
.faq details{border:1px solid var(--border);border-radius:12px;background:var(--glass-bg);margin:10px 0;padding:0 18px}
.faq summary{cursor:pointer;padding:14px 0;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent2);font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 14px;color:var(--text-secondary);font-size:14px}
/* steps */
.steps{counter-reset:s;list-style:none;margin:12px 0 0!important}
.steps li{counter-increment:s;position:relative;padding-left:38px;margin:10px 0}
.steps li::before{content:counter(s);position:absolute;left:0;top:2px;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
/* blog list */
.post-list article{padding:20px 0;border-bottom:1px solid var(--border)}
.post-list h2{font-size:21px;margin:0 0 6px}
.post-list .meta{font-size:13px;color:var(--text-muted)}
.post-list p{color:var(--text-secondary);margin:8px 0 0}
/* footer */
.footer{padding:56px 0 36px;border-top:1px solid var(--border);margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand{max-width:320px}
.footer-brand-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;margin-bottom:12px}
.footer-brand>p{font-size:14px;color:var(--text-muted)}
.footer-col h3{font-size:11px;text-transform:uppercase;letter-spacing:2px;color:var(--text-muted);font-weight:600;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:var(--text-secondary);padding:4px 0}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted)}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom-links{display:flex;gap:20px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-bottom{flex-direction:column;gap:12px}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.cta-box{margin-top:44px;padding:28px;border-radius:18px;background:linear-gradient(180deg,rgba(124,58,237,.12),rgba(6,3,23,.6));border:1px solid rgba(124,58,237,.25);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.cta-box h3{font-size:20px;margin-bottom:4px}
.cta-box p{color:var(--text-secondary);font-size:14px}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700;background:rgba(124,58,237,.15);color:var(--accent2);margin-left:6px;vertical-align:middle}

@media(max-width:480px){.nav{padding:0 12px}.nav-inner{gap:8px}.btn{padding:9px 14px;font-size:13px}.lang-toggle a{padding:4px 9px}.nav-logo{font-size:16px}}